POM: Add release management plugins.

Change-Id: I7fbd489f83c8e9b3e0586688f5517da0ebb565ac
diff --git a/pom.xml b/pom.xml
index 4553bd0..3e261a0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -51,12 +51,14 @@
     <compiler-plugin.version>3.8.1</compiler-plugin.version>
     <failsafe-plugin.version>${surefire-plugin.version}</failsafe-plugin.version>
     <jar-plugin.version>3.2.0</jar-plugin.version>
+    <maven-scm-plugin.version>1.12.0</maven-scm-plugin.version>
     <maven-gpg-plugin.version>1.5</maven-gpg-plugin.version>
     <maven-javadoc-plugin.version>3.2.0</maven-javadoc-plugin.version>
     <maven-source-plugin.version>2.2.1</maven-source-plugin.version>
     <nexus-staging-plugin.version>1.6.8</nexus-staging-plugin.version>
     <spotless-plugin.version>2.17.6</spotless-plugin.version>
     <surefire-plugin.version>3.0.0-M5</surefire-plugin.version>
+    <versions-plugin.version>2.8.1</versions-plugin.version>
 
     <apiguardian.version>1.1.2</apiguardian.version>
     <errorprone.version>2.10.0</errorprone.version>
@@ -177,6 +179,22 @@
           <version>${jar-plugin.version}</version>
         </plugin>
 
+        <plugin>
+          <groupId>org.codehaus.mojo</groupId>
+          <artifactId>versions-maven-plugin</artifactId>
+          <version>${versions-plugin.version}</version>
+        </plugin>
+
+        <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-scm-plugin</artifactId>
+          <version>${maven-scm-plugin.version}</version>
+          <configuration>
+            <tag>v${project.version}</tag>
+            <connectionType>developerConnection</connectionType>
+          </configuration>
+        </plugin>
+
       </plugins>
 
     </pluginManagement>